Index Exchange is a global advertising marketplace where premium digital media companies sell their ad impressions transparently and in real-time. The company was founded in 2001 and is headquartered in Toronto, Canada. Index Exchange is committed to providing a transparent and fair marketplace for both publishers and advertisers. The company's technology platform is designed to help publishers maximize their revenue and advertisers reach their target audience more effectively. Index Exchange has offices in New York, San Francisco, London, Paris, Sydney, and Singapore.